Blockchain Node Engineer

Summary

Join Supra, a fast-growing startup pioneering information services in global markets, as a Node Engineer focusing on monitoring blockchain infrastructure. This specialized role ensures the performance and reliability of Supra's network, encompassing blockchain and ecosystem applications. You will maintain and optimize node health, set up alerting mechanisms, respond to incidents, build dashboards, create diagnostic scripts, and track network changes. The ideal candidate possesses experience in system monitoring, blockchain reliability, and using tools like Prometheus and Grafana. Supra offers a fully remote work environment, competitive compensation, flexible paid time off, national holidays, and comprehensive health benefits.

Requirements

• Experience in system monitoring, infrastructure ops, or blockchain reliability
• Familiarity in working with popular chains' Nodes and their requirements
• Understanding of consensus-layer and execution-layer health indicators
• Experience with monitoring/alerting tools: Prometheus, Grafana, Loki, Datadog, Opentelemetry
• Experience analyzing logs and metrics from containerized environments (Docker, systemd)
• Ability to innovate and create scripts to automate checks and diagnostics on your own
• Ability to take ownership of issues to solve it independently and escalate only when needed
• Pro-active communication and collaboration abilities with native-level proficiency in written and oral English
• Flexible to work in various shifts and weekends on a monthly rotation basis

Responsibilities

• Maintain, monitor, optimise the health or sync status of the nodes, performance metrics of the infrastructure, help to onboard or upgrade Blockchain nodes
• Set up, fine-tune, and maintain alerting mechanisms using tools like Prometheus, Grafana, Loki, Datadog, and Opentelemetry
• Respond to alerts and investigate issues such as node crashes, sync lags, memory spikes, or RPC errors
• Build and maintain node observability dashboards for various chains and environments
• Create lightweight scripts (Shell, Python, etc.) for custom health checks and diagnostics
• Track network-wide changes (e.g., hard forks, protocol upgrades) that may impact node behavior
• Maintain detailed runbooks and incident logs, and work closely with the Node Operators team for providing solutions to escalations

Preferred Qualifications

Familiarity with Chainstack, QuickNode, and RPC provisioning platforms

Benefits

• Competitive Compensation: We offer competitive compensation packages aligned with market standards
• Work-Life Balance: Eligible team members have access to flexible paid time off, sick leave, and other time-off options, adjusted in line with local regulations
• National Holidays: We recognize national holidays specific to each team member’s country and provide paid leave in accordance with local guidelines
• Health Benefits: Comprehensive health coverage options, including medical, dental, and vision benefits, are available to full-time employees where applicable